Nearby locations
San Diego, California, United States
Coronado, California, United States
National City, California, United States
Nearby popular places
America Plaza, United States
Gambit Park, United States
Gaslamp Quarter Historic District, United States

Air Quality in San Diego, California, United States

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Pollutants in San Diego, United States

PM10
1.05 μg/ft3
PM25
Primary Pollutant
0.70 μg/ft3
NO2
29 ppb
SO2
7.5 ppb
CO
5.31 ppb
O3
25.38 ppb
Low riskHigh risk

Pollen Index in San Diego, United States

Tree
1/5
012345
Weed
0/5
012345
Grass
1/5
012345

Air Quality Forecast in San Diego, United States

Mon, May 20
MorningNoonEveningNight
AQI

On average, the air quality on this day will be good, meaning that air quality is satisfactory, and air pollution poses little or no risk. According to our index, ranging from 0 to 500, the air quality is going to be between values of 33 and 56.

51
38
44
36
Pollen

Tree pollen on this day is expected to have very low risk. There's no risk of weed pollen, and as for grass pollen, this day is expected to have medium risk.

Tree

0
1
1
1

Weed

0
0
0
0

Grass

1
1
2
2
PM10
0.53 μg/ft3
0.45 μg/ft3
0.38 μg/ft3
0.44 μg/ft3
PM25
0.30 μg/ft3
0.25 μg/ft3
0.22 μg/ft3
0.28 μg/ft3
NO2
8.01 ppb
2.26 ppb
3.2 ppb
16.39 ppb
SO2
1.25 ppb
0.62 ppb
0.85 ppb
1.23 ppb
CO
0.15 ppb
0.13 ppb
0.12 ppb
0.19 ppb
O3
25.34 ppb
44.89 ppb
43.44 ppb
14.1 ppb
AQI

On average, the air quality on this day will be good, meaning that air quality is satisfactory, and air pollution poses little or no risk. According to our index, ranging from 0 to 500, the air quality is going to be between values of 37 and 53.

42
38
50
37
Pollen

Tree pollen on this day is expected to have very low risk. There's no risk of weed pollen, and as for grass pollen, this day is expected to have medium risk.

Tree

0
0
1
1

Weed

0
0
0
0

Grass

1
1
3
2
PM10
0.47 μg/ft3
0.43 μg/ft3
0.49 μg/ft3
0.39 μg/ft3
PM25
0.28 μg/ft3
0.25 μg/ft3
0.28 μg/ft3
0.23 μg/ft3
NO2
6.16 ppb
2.59 ppb
4.05 ppb
10.07 ppb
SO2
1.1 ppb
0.57 ppb
1.33 ppb
2.15 ppb
CO
0.14 ppb
0.13 ppb
0.13 ppb
0.14 ppb
O3
25.54 ppb
46.02 ppb
51.85 ppb
24.66 ppb